Abstract: A sliding exerciser includes a body unit equipped with a front castor and a transversely extended top handle, and a damping unit, the damping unit including a revolving shaft disposed in parallel to the wheel axle, an elastic cord member coupled to the revolving shaft, two wheels, a wheel axle coupled between the wheel and adapted to alternatively roll up and release the elastic cord member when the user pushes and pull the sliding exerciser on a flat surface.